Iron in PDB 1fnq: Crystal Structure Analysis of the Mutant Reaction Center Pro L209-> Glu From the Photosynthetic Purple Bacterium Rhodobacter Sphaeroides

The structure of Crystal Structure Analysis of the Mutant Reaction Center Pro L209-> Glu From the Photosynthetic Purple Bacterium Rhodobacter Sphaeroides, PDB code: 1fnq was solved by A.Kuglstatter, U.Ermler, H.Michel, L.Baciou, G.Fritzsch, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	50.00 / 2.60
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	141.534, 141.534, 187.548, 90.00, 90.00, 120.00
R / Rfree (%)	21.7 / 24.7

The structure of Crystal Structure Analysis of the Mutant Reaction Center Pro L209-> Glu From the Photosynthetic Purple Bacterium Rhodobacter Sphaeroides also contains other interesting chemical elements:

Magnesium

(Mg)

4 atoms

The binding sites of Iron atom in the Crystal Structure Analysis of the Mutant Reaction Center Pro L209-> Glu From the Photosynthetic Purple Bacterium Rhodobacter Sphaeroides (pdb code 1fnq). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total only one binding site of Iron was determined in the Crystal Structure Analysis of the Mutant Reaction Center Pro L209-> Glu From the Photosynthetic Purple Bacterium Rhodobacter Sphaeroides, PDB code: 1fnq:

Iron binding site 1 out of 1 in the Crystal Structure Analysis of the Mutant Reaction Center Pro L209-> Glu From the Photosynthetic Purple Bacterium Rhodobacter Sphaeroides


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Crystal Structure Analysis of the Mutant Reaction Center Pro L209-> Glu From the Photosynthetic Purple Bacterium Rhodobacter Sphaeroides within 5.0Å range: probe atom residue distance (Å) B Occ M:Fe500 b:41.9 occ:1.00 NE2 L:HIS190 2.1 42.3 1.0 NE2 L:HIS230 2.2 43.3 1.0 NE2 M:HIS266 2.2 39.9 1.0 NE2 M:HIS219 2.2 41.9 1.0 OE1 M:GLU234 2.2 42.0 1.0 OE2 M:GLU234 2.3 42.7 1.0 CD M:GLU234 2.5 42.1 1.0 CE1 L:HIS190 2.8 42.4 1.0 CE1 L:HIS230 2.9 43.3 1.0 CE1 M:HIS266 2.9 39.6 1.0 CE1 M:HIS219 3.0 41.6 1.0 CD2 L:HIS190 3.2 42.6 1.0 CD2 M:HIS219 3.3 41.4 1.0 CD2 L:HIS230 3.3 43.5 1.0 CD2 M:HIS266 3.3 39.7 1.0 CG M:GLU234 4.0 41.6 1.0 ND1 L:HIS190 4.1 42.5 1.0 ND1 L:HIS230 4.2 43.5 1.0 ND1 M:HIS266 4.2 39.0 1.0 ND1 M:HIS219 4.2 41.3 1.0 CG L:HIS190 4.3 42.3 1.0 CG M:HIS219 4.4 41.3 1.0 CG L:HIS230 4.4 43.7 1.0 CG M:HIS266 4.4 39.3 1.0 CG1 M:ILE223 4.5 39.3 1.0 CG2 L:VAL194 4.6 42.9 1.0 CB M:GLU234 5.0 40.9 1.0

A.Kuglstatter, U.Ermler, H.Michel, L.Baciou, G.Fritzsch. X-Ray Structure Analyses of Photosynthetic Reaction Center Variants From Rhodobacter Sphaeroides: Structural Changes Induced By Point Mutations at Position L209 Modulate Electron and Proton Transfer. Biochemistry V. 40 4253 2001.
ISSN: ISSN 0006-2960
PubMed: 11284681
DOI: 10.1021/BI001589H